Friction device for adjusting the inclination of a seat, in...

Details Friction device for adjusting the inclination of a seat, in... Friction device for adjusting the inclination of a seat, in...

A - Human Necessities

47

C

155/51.2

A47C 7/46 (2006.01) A47C 1/027 (2006.01)

Patent

CA 2014777

Abstract: FRICTION DEVICE FOR ADJUSTING THE INCLINATION OF A SEAT, IN PARTICULAR AN OFFICE CHAIR. The device for adjusting the inclination of a seat, in particular an office chair (1), and of its possibly associated backrest (6), is of the type comprising a box casing (4, 40) rigid with the frame (3) and within which there are pivoted sectors (13, 13', 130) possibly associated with a linkage (15,16) providing connection to box-shaped blocks (8, 9, 80, 90) containing a seating (10, 100) for the chair column (2) and for the shaft (5) which supports the backrest (6), and is characterised by comprising a friction clutch associated with said box casing (4, 40) and with said sectors (13, 13', 130) and means for engaging and disengaging said friction clutch.

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